COURSE 504: EM385-1-1 Safety & Health - Sections 27-34

Safety guides and audits to make your job as a safety professional easier


Welcome to the course. This is the final course in the 40-Hour EM385-1-1 Construction Safety Hazard Awareness Course for Contractors series and is designed to help you understand EM 385-1-1, Safety and Health Requirements, Section 27-34. Note: Completion of courses 500-504 is equivalent to the 40-Hour Construction Safety Hazard Awareness for Contractors Course.

The purpose of the training is to enhance the awareness of proposed and alternate Site Safety & Health Officers (SSHOs) performing awarded construction, service, and environmental contract work, and to provide all contractor on-site personnel an opportunity to obtain adequate knowledge to assess unsafe worksite conditions.

This course is designed primarily for contractors who work with federal government projects, but may be helpful for anyone. This basic training is designed to help those with little or no prior safety and health training.

Here's how it works:

  1. Study each course module. To start, click on the course "Modules" tab above. On average, it takes about 30 minutes to one hour to complete each module, including the module quiz. Take your time and make sure you understand the course material.

  2. Answer the study questions. You can find the study questions within the "Study Questions" tab above or at the end of each study guide. Print the questions so that you can hunt for the answers as you read through the material.

  3. Complete and submit the course FINAL EXAM.

    • Final exams consist of 30 questions taken from the course.
    • The exam is OPEN BOOK. You can use your notes or the study guide to help answer questions you are unsure of.

    • You must pass the final exam with at least an 80% score.
    • If you do not pass the exam, you may retake the exam.
    • If you pass the exam, you may not retake the exam just to raise your score.
    • Hint: Most final exam questions are derived from module quizzes.
  4. Course 504 Certificate
    Frame not included.
  5. Order an Optional Certificate. If you want certification of your training, order a high quality certificate. Our training is free. We only charge a small fee to provide documentation of your training. To purchase certificates for the EM-385-1-1 program you must purchase the program certificates. To do so, make sure you are registered for the EM-385-1-1 program and click on the "purchase program" link next to the EM-385-1-1 program in your training dashboard.

  6. If you have questions about the course materials as you study, just send us an email. We are here to help!

OK, Let's go!

Have fun and study hard. To start, just click on "Introduction" above.



EM385-1-1 prescribes the safety and health requirements for all Corps of Engineers activities and operations. The "EM" in the manual's title means Engineers Manual.

The Department of Defense has mandated that EM385-1-1 Safety & Health Requirements be the "primary document" for the safety parameters on all construction projects. Contractors working at military bases must comply with the requirements of USACE EM-385-1-1. All managers, supervisors, contractors, or construction personnel working on military contracts and any worker needing to be compliant with EM 385-1-1 regulations and compliance standards.

The manual applies to Headquarters, US Army Corps of Engineers (HQUSACE) elements, major subordinate commands, districts, centers, laboratories, and field operating activities (FOA), as well as USACE contracts and those administered on behalf of USACE. Applicability extends to occupational exposure for missions under the command of the Chief of Engineers, whether accomplished by military, civilian, or contractor personnel.

The information in this course references EM 385-1-1, dated 30 November 2014.

Course Objectives

This course will cover the topics in Sections 27-34 and will inform and help you understand the following information related to each of these Sections:

  • Contractor responsibilities for designing, developing, and deploying an effective safety and health program that complies with the requirements of the US Army Corps of Engineers (USACE)

  • The required plans, programs, policies, processes, and procedures that help to ensure hazard free work on USACE facilities and projects.

  • The needed knowledge and skills to manage programs, recognize hazards, prevent accidents, inspect and enforce regulatory requirements.

  • Identify the skills required to identify, prevent, and correct potential and actual safety and health hazards on construction worksites.

  • The basic knowledge and skills needed to effectively review, analyze and evaluate contractor Accident Prevention Plans (APP) and Activity Hazard Analysis (AHA)

  • The Skills required to perform effective incident and accident mishap investigations, properly document the facts, and implement safety and health requirements of EM385-1-1.

Getting Started

To begin your online training, just click on the "Modules" tab above and follow the simple instructions.


To continue, click on and download the first module study guide below. You'll receive a pdf copy of the chapter to study online or offline at your own pace. Tip: Copy and print the study questions (see tab) and hunt for the answers to the questions as your read the material.

Module 27 - Concrete, Masonry, Roofing and Residential Construction

Module 28 - Steel Erection

Module 29 - Blasting

Module 30 - Diving Operations

Module 31 - Tree Maintenance and Removal

Module 32 - Airfield and Aircraft Operations

Module 33 - Hazardous Waste and Emergency Response (HAZWOPER)

Module 34 - Confined Space Entry

Course 504 Study Questions

As you read through each EM385-1-1 chapter, copy and print these Study Questions. Hunt for the answers to the questions as you read through the chapter. Doing this will make the training a little more interesting!

Chapter 27 - Concrete, Masonry, Roofing and Residential Construction

  1. The fall protection threshold height requirement is __________ for ALL WORK covered by EM 385-1-1, unless specified otherwise within the manual.
  2. __________ shall be permitted to work under concrete buckets, bundled material loads, or other suspended loads.
  3. Riding on concrete buckets or other suspended loads shall be__________.
  4. Concrete pumping systems using discharge pipes shall be provided with pipe supports designed for __________.
  5. The design of the shoring shall be prepared by a __________ (designer) and inspected by __________.
  6. Precast Concrete operations shall be planned and designed by a __________ submitted to the __________ for review.
  7. All jacking equipment shall be capable of supporting __________.
  8. When it is necessary to provide a firm foundation, the base of the jack shall be __________.
  9. Where there is a possibility of slippage of the metal cap of the jack, a __________ shall be placed between the cap and the load.
  10. The maximum number of manually-controlled jacks on one slab shall be limited to __________.
  11. During lifting, all points of the slab support shall be kept within __________ (1.2 cm) of that needed to maintain the slab in a level position.
  12. Prior to the beginning of the erection of any structural masonry, a __________ shall be submitted to the __________ for review and acceptance.
  13. The masonry restricted zone during construction will be equal to the height of the wall to be constructed plus __________.
  14. For roof work on all roofs greater than __________ feet in height, a hoisting device, stairways, or progressive platforms shall be furnished for supplying materials and equipment.
  15. Materials may not be stored within __________ (1.8 m) of the roof edge unless guardrails are erected at the roof edge and materials are stable and self-supporting.
  16. Before manually raising framed walls that are __________ or more in height, temporary restraints shall be installed.

Chapter 28 - Steel Erection

  1. During steel erection, who is permitted to work under bundled material loads or other suspended loads?
  2. Prior to beginning the erection of any structural steel, a Steel Erection Plan shall be submitted to __________ for review and acceptance.
  3. At no time shall there be __________, of unfinished bolting or welding above the foundation or uppermost permanently secured floor, except where the structural integrity is maintained as a result of the design.
  4. During steel erection, a maximum of __________ of metal decking may be laid before securing.
  5. All columns shall be anchored by a minimum of __________ anchor rods or anchor bolts.
  6. When placing beams and columns during steel erection, a __________ shall determine those pieces that require more than two bolts in each end before the piece is released from the crane.
  7. During steel erection, perimeter columns shall not be erected unless the perimeter columns extend a minimum of __________ above the finished floor.
  8. During steel erection, the perimeter columns should have holes or other devices at 42-45 in (106.6-114.3 cm) above the finished floor and at the midpoint to permit installation of __________.
  9. What condition must be met prior to a steel joist or steel joist girder being placed on any support structure?
  10. When landing and placing loads, a bundle of joist bridging shall be placed on a __________ that are secured at one end.
  11. When constructing systems-engineered metal buildings, each structural column must be anchored by __________.
  12. During steel erection, Controlled Decking Zones (CDZ) are __________.

Chapter 29 - Blasting

  1. __________, approved by DoD Explosives Safety Board, is required prior to the placement of explosives on site or the start of explosives-related operations.
  2. Permission in writing shall be obtained from the __________ before explosive materials are brought onto the job site.
  3. Prior to bringing explosives on site, the contractor shall __________.
  4. Operations involving the handling or use of explosive materials shall be discontinued and personnel moved to a safe area during __________.
  5. Who must direct and supervise all loading and firing during blasting operations?
  6. Before adopting any system of electrical firing, a thorough survey shall be made __________.
  7. When energy for blasting is taken from power circuits, the voltage shall not exceed __________.
  8. Who is to remain in position of the keys to the blasting switches at all times?
  9. The storage of explosives shall be in accordance with requirements of ________________________.
  10. Explosive materials and blasting supplies may be transported with other materials or cargoes. True or False.
  11. Only the authorized driver and __________ shall be permitted to ride on any conveyance transporting explosive materials or detonators.
  12. You notice a vehicle containing explosive materials being refueled at a local service station. What should you tell the driver?
  13. You notice a worker smoking about 10 feet from an area where explosives are being handled. What do you tell the worker?
  14. Blasting operations or storage of electrical detonators shall be prohibited in vicinity of __________ except where the clearances can be maintained.
  15. Blasting operations in or adjacent to cofferdams, piers, underwater structures, buildings, structures, or other facilities shall be __________.
  16. Drilling shall be separated from loaded holes by __________.
  17. No firing line shall be connected to a blasting machine or other power source until __________.
  18. During underwater blasting, who conducts all blasting operations and is the only person who can fire a shot?

Chapter 30 - Diving Operations

  1. Which of the following would be considered the least safe work method for conducting diving operations?
  2. What is required as proof of certification as a commercial working diver?
  3. As a minimum, each dive team member shall have at least __________ of commercial experience in the applicable position.
  4. Divers will wait at least __________ hours before flying after any dive: this interval should be extended to __________ hours following multiple days of repetitive dives.
  5. A Dive Operations Plan, AHA, emergency management plan, and personnel list with qualifications will be developed __________.
  6. Diving in contaminated water is prohibited for all USACE projects unless supporting documentation demonstrates that divers and topside personnel are not exposed to, or will be protected from, __________.
  7. Contractors and USACE Districts/ Labs with in-house dive teams shall develop and maintain a safe practices manual that encompasses __________.
  8. Upon completion of each diving operation or at the conclusion of each day, __________.
  9. How many tethered standby divers are required when untethered SCUBA divers, working in “buddy” pairs, are performing dive operations?
  10. Dive operations that require surface decompression as an integral part of the dive operation shall have a __________, whose sole purpose is to attend to the chamber operation.
  11. SCUBA diving operations shall not be conducted at depths greater than __________ (30.5 m).
  12. SCUBA diving operations shall not be conducted when visibility is less than __________ (0.9 m) unless line tended with diver/surface two-way voice communications.
  13. SSA operations shall not be conducted at depths greater than __________(57.9 m) except that dives with bottom times of 30 minutes or less may be conducted to depth of __________ (67 m).
  14. Diving equipment modifications, repairs, tests, calibrations, or maintenance shall be recorded __________.
  15. Breathing supply hoses for diving operations must be tested prior to being placed into initial service and after any repair, modification, or alteration, and __________.
  16. Scientific snorkeling will be allowed only for __________.

Chapter 31 - Tree Maintenance and Removal

  1. Tree maintenance or removal shall be performed under the direction of a __________.
  2. Personal protective equipment (PPE), as outlined in this section, shall be required when there is a __________.
  3. Employees working in the proximity of electrical equipment or conductors shall consider them to be __________.
  4. All tree workers, except line-clearance trimmers, shall maintain a safe distance of __________.
  5. Climbing ropes shall not be used to lower limbs or other parts of trees or to raise or lower equipment, with the exception of __________.
  6. All tree work operations above a height of __________, whether there are electrical hazards or not, shall require a second worker in the area.
  7. A climber shall have available __________, on their person at all times.
  8. Climbers may attach chainsaws weighing less than __________ to themselves by means of a saw lanyard.
  9. When climbing during tree maintenance or removal, tie-in points __________ to prevent an uncontrolled pendulum swing in the event of a slip.
  10. Tree felling paths shall be __________(due to limbs and debris being thrown after hitting the ground.
  11. Rotary drum and disk-type tree or brush chippers not equipped with a mechanical in-feed system shall be equipped with an in-feed hopper not less than __________.
  12. While operating a chainsaw during tree maintenance and removal, the preferred working position is __________.
  13. When used by a climber aloft, chainsaws weighing more than __________ shall be supported by a separate line crotched in the tree.

Chapter 32 - Airfield and Aircraft Operations

  1. Prior to the performance of any work upon or around an airfield, __________.
  2. The Airfield Manager shall review and approve the CSPP and SPCD __________.
  3. Which of the following are not permitted within the Runway Safety Area (RSA) while the runway is open or on the Taxiway Surface Area while the taxiway is open?
  4. What must be provided on all vehicles at airports without air traffic control facilities?
  5. All non-military aircraft shall be equipped with __________.
  6. All military flight operations shall be conducted under appropriate __________ regulations.

Chapter 33 - Hazardous Waste and Emergency Response (HAZWOPER)

  1. Hazardous waste site cleanup operations require development and implementation of a SSHP that shall be attached to the __________ as an appendix.
  2. Hazardous waste operations performed by Government personnel do not require development of an APP, but do require __________.
  3. A/An __________ is required at hazardous, toxic, radioactive waste (HTRW) operations.
  4. General hazardous, toxic, radioactive waste (HTRW) training requirements for personnel exposed to contaminant-related SOH hazards include which of the following?
  5. All personnel performing on-site work that will result in exposure to __________ SOH hazards shall be enrolled in a medical surveillance program.
  6. Operations at Treatment Storage and Disposal (TSD) sites must meet the requirements specified in which of the following regulations?
  7. On facility or construction projects, if applicable, the __________ shall develop and implement an Emergency Response Plan.
  8. At a minimum, ERT personnel at the project shall be trained to the __________.
  9. The __________ shall, at a minimum, respond in a defensive manner to hazardous substance releases at the facility or construction project.
  10. What is the limitation placed on Emergency Response Teams (ERT) when responding beyond a defensive manner?

Chapter 34 - Confined Space

  1. Confined space work performed in permanent, fixed facilities and/or performed on Construction sites shall be performed in accordance with __________.
  2. Who should be assigned at facilities and job sites to identify all CSs and determine entry rules and requirements?
  3. Permit Required Confined Spaces(PRCS) that are created as part of construction work shall be __________.
  4. Who will complete or review and sign the completed PRCS permit be responsible for enforcing the use of PRCS permits for entry?
  5. At the end of the work task where a PRCS was entered, there shall be __________ on procedures used and if improvement can be gained.
  6. Who is responsible to ensure all entries into a facility/construction site confined space (CS) are completed in a safe and protective manner?
  7. The CSCP shall coordinate with local emergency responders to determine if they are capable of a timely __________ rescue from the specific CS.
  8. The __________ shall develop or establish rescue and emergency services for PRCS entry.
  9. If the potential CS on a ship or vessel has an oxygen-enriched atmosphere, the space shall be labeled __________.
  10. Entry is prohibited when the Lower Explosive Level (LEL) is greater than __________ unless it is required for emergency rescue.
  11. Air monitoring shall be continuous during entry into the confined space if the oxygen level is __________.
  12. Who conducts an evaluation to confirm hot work will not create a toxic, corrosive, or irritant atmosphere before hot work is completed in a CS with toxic, corrosive, or irritating chemicals?
  13. No hot work will be completed where there are flammable chemicals unless the area is __________.
  14. The CS training on the emergency procedures shall include __________.

Course 504 Final Exam

OSHAcademy course final exams are designed to help ensure students demonstrate a sufficient understanding of the content covered within each course. To help demonstrate this understanding, students must achieve a minimum score of 70% on final exams. It is OSHAcademy's policy to protect the integrity of our exams and, as a result, we do not provide missed questions to students.

After you have studied all of the course material and reviewed the "Study Questions" tab, you can take the final exam. The study questions are optional, but we highly recommend you review them, as the questions are similar to those on the final exam.

This is an open book exam. As you are taking the exam, if you find a question you are unsure of, you should use the course study guide or course web pages to research the correct answer. Don't worry if you fail the exam. You can study and retake the exam when you are ready.

Already paid for certificates?

That's great! Your exam score will be displayed in your student dashboard next to the completed course. You will also be able to view or immediately print a course PDF certificate. Your PDF transcript will also be automatically updated to include the course. If you ordered original certificates, they'll be mailed to you.

Only want free training?

That's fine. You're welcome to take all of our courses for free! We only charge a fee if you want certificates, transcripts and exam scores to document your training. If you have not made a payment for your certificate, we will archive your exam results and you will see "Completed!" next to the course if you passed the exam. If you did not pass the exam with a score of 70% or higher, you will need to retake the exam.

Take the Final Exam

Take the Final Exam

Course 501 Study Guide. You can save this study guide to your computer for offline studying, or print the study guide if you prefer.